Pith Number

pith:QBD2CL4Y

pith:2002:QBD2CL4YAWY2K6JW3CZLV2T37D

not attested not anchored not stored refs pending

Numerical estimation of entropy loss on dimerization: improved prediction of the quaternary structure of the GCN4 leucine zipper

Andrzej Kolinski, Jeffrey Skolnick, Jorge Vinals

arxiv:physics/0204006 v1 · 2002-04-01 · physics.bio-ph · q-bio.BM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QBD2CL4YAWY2K6JW3CZLV2T37D}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:38:09.332423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8047a12f9805b1a57936d8b2baea7bf8f5d4bd287f70eda58e6cdaf949c7b1da

Aliases

arxiv: physics/0204006 · arxiv_version: physics/0204006v1 · doi: 10.48550/arxiv.physics/0204006 · pith_short_12: QBD2CL4YAWY2 · pith_short_16: QBD2CL4YAWY2K6JW · pith_short_8: QBD2CL4Y

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QBD2CL4YAWY2K6JW3CZLV2T37D \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 8047a12f9805b1a57936d8b2baea7bf8f5d4bd287f70eda58e6cdaf949c7b1da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cde3389657fea85a905b14fac7311c50966af6f6e1b7194fcdc03048aafdaac",
    "cross_cats_sorted": [
      "q-bio.BM"
    ],
    "license": "",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2002-04-01T20:52:38Z",
    "title_canon_sha256": "4a873ae36c184a1154b979e7f1bbec304186a4a435ed492112fe33eedf8bc03a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0204006",
    "kind": "arxiv",
    "version": 1
  }
}